hydraulic pumping engine 水力泵发动机
hydraulic duplex pumping engine 水力双泵发动机
steam pumping engine 蒸汽机泵
hydraulic c duplex pumping engine 水力双泵发动机
ic duplex pumping engine 水力双泵发动机
hydraulic c pumping engine 水力泵发动机
pumping g engine 泵浦消防车
engine pumping unit 发动机油泵
The engine is used for pumping water out of the mine.
这台发动机是用来从矿井中抽水的。
Remember this engine is running backward, and we're pumping heat up.
记住这个热机是反向运行的，我们把热量向上传输。
It also minimises the pumping losses caused by no longer having to "throttle" (ie, strangle) the air flowing into the cylinders in order to control the engine speed.
这样还把由于不必再为了控制引擎转速来抑制空气流入引起的抽吸效应的能耗最小化。
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